A while ago, I bought a Skånelänga that needs some renovation. The previous owner, among other things, installed a door on one gable but for some reason never completed the installation. The entire house is plastered, exterior walls are brick in two layers with an air gap, and then a layer of lightweight clinker inside this. Plaster both inside and outside.

The fastening currently looks like it does in the pictures. The packing is visible from the inside, and on the outside, it is plastered around up to the frame, but this has cracked. There are about 35 and 55 mm between the frame and the wall. The frame is not screwed with frame screws but with regular slightly longer screws that sometimes come with doors.

So, I want to redo this and have thought of a way but want to verify here first to make sure I haven't made a mistake.

Take down the door and frame.
Screw up a beam against the outer wall to reduce the gap, paper between these.
New proper frame screws, wedge, and then foam around.
Dress out and inside with some strip in a suitable color.

I would have preferred it plastered as it is today (as it is around all the windows, etc.) but do not think it holds around a door frame that is exposed to some other stresses.

Or will the foam and better frame screws be enough to use plaster up to the frame?

Is the foam enough as insulation and a moisture barrier or do I need to supplement?

The door faces north.

I end my first post here and thank you for reading the entire message.
 
  • Visible insulation between door frame and wall with unfinished plastering, highlighting construction issues in a Skånelänga renovation project.
  • Visible gap between door frame and plastered wall, showing unfinished installation with exposed insulation material.
  • Unfinished doorway with exposed masonry and wooden frame; cracked plaster surrounds it, showing gaps between the frame and the wall.
Anyone who might be willing to take some time and help me out here?
Colder times are around the corner, and I would like to have solved the problem with broken plaster by then.
 
Come on now. Thought the forum was for such questions.

Now leaning towards mounting a beam of suitable size to reduce the gap. Seal strip, caulking, and diffusion sealing. Paper under the threshold and to the beam.

Plastering up to the frame is unfortunately not sustainable in the long run.
 
Finishing this with "slopping" on the frame, sealant, backing rod, and finally caulking around the frame. Then this will be covered. Flashing at the bottom of the threshold.
 
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